Ailments and Situations - Ulcer - Canker |
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Page 3 of 26 Canker (Aphthous Stomatitis, Aphthous Ulcer, Canker Sore) Cankers are small painful sores that develop inside the mouth, especially on the lips, cheek, tongue, soft palate, and occasionally, the throat. Smaller cankers are less than one centimetre in diameter and often occur in groups of two or three. They usually heal by themselves within seven to twenty-one days and do not leave scars. Larger ones are irregularly shaped and less common. They may take weeks to heal and frequently scar.
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